fix(frontend): queryFn signatures + Link import

useQuery received api fns typed (params?) => Promise<T>; React Query
passes a QueryFunctionContext, so data degraded to {} and broke tsc.
Wrap calls in () => and import Link from react-router-dom.

Authored By: TDvorak <[email protected]>

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

app/frontend/src/features/templates/pages/TemplatesPage.tsx

@@ -470,7 +470,7 @@ export function TemplatesPage() {
   const projectsQuery = useQuery({
     queryKey: ['template-projects'],
     enabled: !isDemoMode,
-    queryFn: listProjects,
+    queryFn: () => listProjects(),
   });
 
   const templates = useMemo(